The death of Kublai Khan in 1259 marked a major turning point because up to his death, the Mongol Empire was more or less constantly expanding. However, with his death, things started becoming worse and worse eventually as the empire became to big for one emperor to hold it.
The Rosetta Stone is a stone discovered in 1799, that is incredibly important as it is considered the first guide in deciphering Ancient Egyptian hieroglyphics. Its current location is The British Museum, on display.
If you don't mine taking a picture of each paper separately so it's clearer, I'm more than happy to help you out.
Answer: A theocracy
Theocracy: a system of government in which priests rule in the name of God or a god.
I believe your answer is A.. good luck my friend!